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Finding the Fourth Proportional to 22,939.74, 34,420.14 and 13,598.28

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Solution

The fourth proportional to 22,939.74, 34,420.14 and 13,598.28 is: 20,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.74 : 34,420.14 = 13,598.28 : x
  2. Step 2: Convert to fraction form
    22,939.74/34,420.14 = 13,598.28/x
  3. Step 3: Cross multiply
    22,939.74x = 34,420.14 × 13,598.28
  4. Step 4: Simplify right side
    22,939.74x = 468,054,701.36
  5. Step 5: Solve for x
    x = 468,054,701.36/22,939.74
  6. Step 6: Final answer
    x = 20,403.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.